subject
Chemistry, 30.10.2020 19:20 firefightergros7271

Oxygen and silicon makes up what percentage of the Earth crust. A) 57% B) 98.5% C) 75% D) 50%

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 22:00, braydentillery1221
If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
Answers: 1
image
Chemistry, 22.06.2019 04:50, aletadaboss
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
image
Chemistry, 22.06.2019 09:00, Bashirar19
Is laundry detergent an acid or a base?
Answers: 2
image
Chemistry, 22.06.2019 10:00, halohero7
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
Answers: 2
You know the right answer?
Oxygen and silicon makes up what percentage of the Earth crust. A) 57% B) 98.5% C) 75% D) 50%...

Questions in other subjects: